Viola is a communication design company that draws inspiration from nature and encourages design that celebrates and protects the environment. Owner Anna Carlile founded Viola in 1999, and since then has developed a diverse eco-design portfolio with clients including the Earthwatch Institute, Green Peace and the Environmental Protection Agency. Anna has a Masters degree in environmental sustainability and consults, lectures and educates on sustainable communication design. These walking trails were compiled by Diana Carlile, an avid walker who has been guiding walking groups in and around Melbourne for over 20 years.